﻿// 
// ContainerControlPanel.cs
//  
// Author:
//       Tomas Vondracek <tomas.vondracek@gmail.com>
// 
// Copyright (c) 2010 Tomas Vondracek
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Windows.Forms;
using System.Diagnostics;

namespace Common.Gui.GuiWinFormsLib.Controls
{
	/// <summary>
	/// serves as a container for control items in DockingContaine
	/// </summary>
	class ContainerControlPanel : Panel
	{
		DockingContainer container;

		int defaultHeight;
		DockStyle defaultDock;
		bool isAlignedOnSide = false;

		public bool IsAlignedOnSide
		{
			get { return isAlignedOnSide; }
		}

		public event EventHandler OnReshape;

		public ContainerControlPanel() : base()
		{
			this.ParentChanged += new EventHandler(ContainerControlPanel_ParentChanged);
			if (this.Dock != DockStyle.None)
				this.defaultDock = this.Dock;
			else
				this.defaultDock = DockStyle.Bottom;
		}

		void ContainerControlPanel_ParentChanged(object sender, EventArgs e)
		{
			if (this.Parent is DockingContainer)
			{
				this.container = this.Parent as DockingContainer;
				//this.container.OnAlignmentChanged += new Interfaces.PanelAlignmentChanged(container_OnAlignmentChanged);
				this.container.OnContainerMinimized += new ContainerStateChangedHandler(container_OnContainerMinized);
				this.container.OnContainerRestored += new ContainerStateChangedHandler(container_OnContainerRestored);
				this.container.OnControlBarHeightChanged += new Helpers.PropertyChangedHandler<int>(container_OnControlBarHeightChanged);
			}
		}

		void container_OnControlBarHeightChanged(object sender, Helpers.PropertyChangedEventArgs<int> property)
		{
			this.defaultHeight = property.Property;
		}

		void container_OnContainerRestored(object sender, EventArgs e)
		{
			// if panel was aligned on the side, restore default values
			if (this.isAlignedOnSide)
			{
				this.Dock = this.defaultDock;
				this.Height = this.defaultHeight;

				this.isAlignedOnSide = false;

				if (this.OnReshape != null)
					this.OnReshape(this, null);
			}
		}

		void container_OnContainerMinized(object sender, EventArgs e)
		{
			if (this.container.Dock == DockStyle.Right ||
				this.container.Dock == DockStyle.Left)
			{
				this.Dock = this.container.Dock;
				this.Width = this.defaultHeight;

				this.isAlignedOnSide = true;

				if (this.OnReshape != null)
					this.OnReshape(this, null);
			}
		}

		internal void AddSwitcherButton(ISwitcher switcherButton)
		{
			if (switcherButton == null && switcherButton is Control)
				return;

			this.Controls.Add(switcherButton as Control);

			//// init switcher button
			//if (this.OnReshape != null)
			//    this.OnReshape(this, null);
		}
	}
}
